/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/DynamicMesh3.h
Compute interpolated vertex attributes at point of triangle
void GetTriBaryPoint ( int TriangleID, double Bary0, double Bary1, double Bary2, [FVertexInfo](API\Runtime\GeometryCore\DynamicMesh\FVertexInfo) & VertInfo ) const